Harvard has delved into this question. In short, this is what they discovered: it’s the same love but only through another lens. Whatever the case, there is a growing trend of grandparents who hang with their grands, becoming best friends. PERRY WILSON Catch the show at the lobby of the Greenville County Detention Center when Perry Wilson cleans up the place with his darling grandson in tow. Wilson says the two pals spend as much time together as possible. How cool is it when